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Application filed by Istvan Nebehaj, Bela Venesz, Gyula Odor, Frigyes Csapo, Lajos SzuecsfiledCriticalIstvan Nebehaj
Priority to HU530889ApriorityCriticalpatent/HUT57688A/en
Publication of HU895308D0publicationCriticalpatent/HU895308D0/en
Publication of HUT57688ApublicationCriticalpatent/HUT57688A/en